<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>默认导出</title>
</head>
<body>
    <script type="module">
        // import User from './7.js';
        // import { default as User} from './7.js';
        import hd from './7.js'; //默认导出可以由任何变量来接收，因为它是唯一的
        console.log(hd);
    </script>
</body>
</html>